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Accounting Policies (Detail Textual) (USD $)
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3 Months Ended | 6 Months Ended | 6 Months Ended | 1 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | ||||||||||
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Mar. 30, 2014
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Mar. 31, 2013
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Mar. 30, 2014
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Mar. 31, 2013
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Sep. 29, 2013
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Mar. 30, 2014
Minimum
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Mar. 30, 2014
Maximum
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Oct. 24, 2011
General Dynamics
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Mar. 30, 2014
Series A Preferred Stock
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Mar. 31, 2013
Series A Preferred Stock
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Mar. 30, 2014
Series A Preferred Stock
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Mar. 31, 2013
Series A Preferred Stock
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Mar. 30, 2014
Stock Options
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Mar. 31, 2013
Stock Options
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Mar. 30, 2014
Stock Options
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Mar. 31, 2013
Stock Options
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Mar. 30, 2014
Warrants
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Mar. 31, 2013
Warrants
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Mar. 30, 2014
Warrants
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Mar. 31, 2013
Warrants
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| Accounting Policies [Line Items] | ||||||||||||||||||||
| Decrease in inventory | $ (656,000) | |||||||||||||||||||
| Inventory reserve period increase | 44,000 | |||||||||||||||||||
| Delivery period | 3 months | 60 months | ||||||||||||||||||
| Contract amount in milestone event | 8,000,000 | |||||||||||||||||||
| Maximum amount of invoices for milestone event | 3,900,000 | |||||||||||||||||||
| Revenue recognized for achieving substantive milestone events | 0 | 0 | 0 | 10,000 | ||||||||||||||||
| Customer advances and deposits | 2,400,000 | 2,400,000 | ||||||||||||||||||
| Short term customer advance deposits for next twelve months | 825,000 | 825,000 | 769,000 | |||||||||||||||||
| Long term customer advance deposits after March 2015 | $ 1,547,000 | $ 1,547,000 | $ 1,935,000 | |||||||||||||||||
| Antidilutive securities excluded from computation of earnings per share, amount | 1,001 | 1,016 | 1,001 | 1,016 | 63,165,649 | 48,267,649 | 63,165,649 | 48,267,649 | 1,000,000 | 4,547,000 | 1,000,000 | 4,547,000 | ||||||||